What will be the output of the following Python code snippet?print([[i+j for i in "abc"] for j in "def"])
Question
What will be the output of the following Python code snippet?print([[i+j for i in "abc"] for j in "def"])
Solution 1
The output of the given Python code snippet will be a list of lists. Here's how it works:
-
The outer list comprehension
for j in "def"iterates over each character in the string "def". For each characterj, it creates a new list. -
The inner list comprehension
for i in "abc"iterates over each character in the string "abc". For each characteri, it addsitojand this new string is an element in the new list. -
The result is a list of these new lists.
So, the output will be:
[['ad', 'bd', 'cd'], ['ae', 'be', 'ce'], ['af', 'bf', 'cf']]
Each inner list corresponds to a character in "def", and the strings in the inner lists are the characters in "abc" concatenated with that character.
Solution 2
The output of the given Python code snippet will be a list of lists. The outer list comprehension for j in "def" will iterate over each character in the string "def". For each character j, it will create a new list using the inner list comprehension for i in "abc".
The inner list comprehension will iterate over each character in the string "abc", and for each character i, it will calculate the expression i+j, which is the concatenation of the strings i and j.
So, the output will be:
[['ad', 'bd', 'cd'], ['ae', 'be', 'ce'], ['af', 'bf', 'cf']]
Here's the step-by-step breakdown:
- For the first iteration,
jis 'd'. The inner list comprehension creates the list ['ad', 'bd', 'cd']. - For the second iteration,
jis 'e'. The inner list comprehension creates the list ['ae', 'be', 'ce']. - For the third iteration,
jis 'f'. The inner list comprehension creates the list ['af', 'bf', 'cf'].
These lists are collected into the outer list, resulting in the final output.
Solution 3
The output of the given Python code snippet will be a list of lists. Here's how it works:
-
The outer list comprehension
for j in "def"iterates over each character in the string "def". For each iteration, it creates a new list using the inner list comprehension. -
The inner list comprehension
for i in "abc"iterates over each character in the string "abc". For each iteration, it appends the result ofi+jto the current list. -
i+jconcatenates the current characters from the strings "abc" and "def".
So, the output will be:
[['ad', 'bd', 'cd'], ['ae', 'be', 'ce'], ['af', 'bf', 'cf']]
In the first inner list, 'd' is added to each character in "abc", resulting in ['ad', 'bd', 'cd']. The same process is repeated for 'e' and 'f'.
Similar Questions
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